Cheapest one-way flights from Boston to Frankfurt in December from 263€

AirHint found the following cheapest one-way flights from Boston (BOS) to Frankfurt (FRA) in December 2025 (see full year).

One-Way flights

15 Dec Icelandair
13 Dec Icelandair
27 Dec Iberia
22 Dec Azores Airlines
18 Dec Azores Airlines
20 Dec Icelandair
15 Dec Lufthansa direct
13 Dec Lufthansa direct
27 Dec Lufthansa direct
22 Dec Lufthansa direct

Also check the deals for return flights from Boston to Frankfurt in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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